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The quick rise of emerging technologies like spectrally efficient multicarrier with a higher order modulation and bandwidth variable wavelength selective switches have caused a shift of the optical network architecture from fixed to the…

Signal Processing · Electrical Eng. & Systems 2023-06-29 Faranak Khosravi , Subbulakshmi Easwaran , Mehdi Shadaram

Driven by great demands on low-latency services of the edge devices (EDs), mobile edge computing (MEC) has been proposed to enable the computing capacities at the edge of the radio access network. However, conventional MEC servers suffer…

Signal Processing · Electrical Eng. & Systems 2019-01-29 Pengfei Wang , Zijie Zheng , Boya Di , Lingyang Song

Random Linear Network Coding (RLNC) has emerged as a powerful tool for robust high-throughput multicast. Projection analysis - a recently introduced technique - shows that the distributed packetized RLNC protocol achieves (order) optimal…

Information Theory · Computer Science 2011-02-17 Bernhard Haeupler , Muriel Médard

A crucial issue in Optical Packet Switched (OPS) networks is packet loss due to contentions. In this paper we study how traffic load uniformity influences the packet loss in a single OPS node. Traffic load uniformity is a measure of the…

Networking and Internet Architecture · Computer Science 2019-06-25 Harald Øverby

This work proposes a general framework for the design and simulation of network on chip based turbo decoder architectures. Several parameters in the design space are investigated, namely the network topology, the parallelism degree, the…

Hardware Architecture · Computer Science 2016-11-18 Maurizio Martina , Guido Masera

Fiber-optical networks are a crucial telecommunication infrastructure in society. Wavelength division multiplexing allows for transmitting parallel data streams over the fiber bandwidth, and coherent detection enables the use of…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Lars Lundberg , Mikael Mazur , Ali Mirani , Benjamin Foo , Jochen Schröder , Victor Torres-Company , Magnus Karlsson , Peter A. Andrekson

We consider the problem of distilling efficient network topologies for collective communications. We provide an algorithmic framework for constructing direct-connect topologies optimized for the latency vs. bandwidth trade-off associated…

Networking and Internet Architecture · Computer Science 2025-02-04 Liangyu Zhao , Siddharth Pal , Tapan Chugh , Weiyang Wang , Jason Fantl , Prithwish Basu , Joud Khoury , Arvind Krishnamurthy

Telemetry-Aware routing promises to increase efficacy and responsiveness to traffic surges in computer networks. Recent research leverages Machine Learning to deal with the complex dependency between network state and routing, but…

Machine Learning · Computer Science 2026-02-16 Andreas Boltres , Niklas Freymuth , Gerhard Neumann

Wide passband interdigital transducers are employed to establish a stable phase-lock between a train of laser pulses emitted by a mode-locked laser and a surface acoustic wave generated electrically by the transducer. The transducer design…

Single-wavelength 400G coherent optical communications have become a critical solution to meet the explosive traffic demands. However, the single-carrier modulation using low-order modulation formats requires a broader wavelength division…

Networking and Internet Architecture · Computer Science 2025-08-26 Haide Wang , Ji Zhou , Yongcheng Li , Weiping Liu , Changyuan Yu , Xiangjun Xin , Liangchuan Li

The structured nature of video data motivates introducing video-aware decisions that make use of this structure for improved video transmission over wireless networks. In this paper, we introduce an architecture for real-time video…

Information Theory · Computer Science 2013-11-26 Amin Abdel Khalek , Constantine Caramanis , Robert W. Heath

In facing with the explosive Internet traffic growth, optical transport networks based on WDM technologies forming the core part of Internet infrastructure carrying multi-Tb/s has to be re-considered from both designing, planning, operation…

Networking and Internet Architecture · Computer Science 2021-05-19 Dao Thanh Hai , Le Anh Ngoc

Flexible grid optical networks allow a better exploitation of fiber capacity, by enabling a denser frequency allocation. A tighter channel spacing, however, requires narrower filters, which increase linear intersymbol interference (ISI),…

Information Theory · Computer Science 2023-07-19 Tommaso Foggi , Giulio Colavolpe , Alberto Bononi , Paolo Serena

The practical limitations and challenges of radio frequency (RF) based communication networks have become increasingly apparent over the past decade, leading researchers to seek new hybrid communication approaches. One promising strategy…

Networking and Internet Architecture · Computer Science 2017-06-22 Osama Awwad , Ala Al-Fuqaha , Bilal Khan , Ghassen Ben Brahim

Beam combination with high efficiency is desirable to overcome the power limit of single electromagnetic sources, enabling long-distance optical communication and high-power laser. The efficiency of coherent beam combination is severely…

The state-of-the-art topologies of datacenter networks are fixed, based on electrical switching technology, and by now, we understand their throughput and cost well. For the past years, researchers have been developing novel optical…

Networking and Internet Architecture · Computer Science 2024-02-15 Chen Griner , Chen Avin

Zero packet loss with bounded latency is necessary for many applications, such as industrial control networks, automotive Ethernet, and aircraft communication systems. Traditional networks cannot meet the such strict requirement, and thus…

Networking and Internet Architecture · Computer Science 2023-06-13 Ming Li , Lei Deng , Yunghsiang S. Han

We propose that clusters interconnected with network topologies having minimal mean path length will increase their overall performance for a variety of applications. We approach our heuristic by constructing clusters of up to 36 nodes…

Networking and Internet Architecture · Computer Science 2019-04-02 Yuefan Deng , Meng Guo , Alexandre F. Ramos , Xiaolong Huang , Zhipeng Xu , Weifeng Liu

With the significant advancements in optical computing platforms recently capable of performing various primitive operations, a seamless integration of optical computing into very fabric of optical communication links is envisioned, paving…

Networking and Internet Architecture · Computer Science 2025-05-27 Dao Thanh Hai , Isaac Woungang

To cope with the growing demand for wireless data and to extend service coverage, future 5G networks will increasingly rely on the use of low powered nodes to support massive connectivity in diverse set of applications and services [1]. To…

Information Theory · Computer Science 2014-07-08 H. Baligh , M. Hong , W. -C. Liao , Z. -Q. Luo , M. Razaviyayn , M. Sanjabi , R. Sun